L&M also printed cases in house on the first floor, F House, of the 1884 Old Cigarette FactoryClick for a map of L&M's Durham complex (OCF). Corrugated cases held thirty or sixty cartons and were printed with the product name and barcodes. Printing the cases in-house for smaller volume items reduced on-hand inventory. Here, Debbie Crabtree inserts blank cases into the case printer.